"It looks like a door!" Rex picked up the pleats on the ground and looked at it carefully.
"Well! This is a wooden door, but how to open it without a handle?" The dark bottom of the well had poor visibility. Rex reached out and touched the wall in the well. After groping for a while, he found a groove and a round hole on the wooden door.
"I don't know if I can open this key. Let's have a try!" Rex inserted the key and found that it fit perfectly.
"It's really the key to this secret door!" After opening the door, there was a long corridor about seven or eight feet long. At the end of the corridor, apart from the glimmering light, there were also waves of white smoke coming out.
"There is a smell of burning! It seems that something is being burnt." Rex dared not slack off, for he was abo
